Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Northern Montana College | School | 785 | Hill | 48 32 31 N | 109 41 19 W |
| Northern Montana Hospital | Hospital | 794 | Hill | 48 32 18 N | 109 41 08 W |
| Northern Montana Long Term Care | Hospital | 794 | Hill | 48 32 18 N | 109 41 08 W |
| Northern Pacific Railroad Bridge | Bridge | 1249 | Gallatin | 45 53 10 N | 111 26 01 W |
| Northern Pacific Railroad Overpass | Bridge | 1386 | Powell | 46 32 55 N | 112 40 41 W |
| Northern Pacific Reservoir | Reservoir | 1235 | Jefferson | 46 33 13 N | 111 54 21 W |
| Northern Pacific Reservoir | Reservoir | 1230 | Jefferson | 46 33 06 N | 111 54 03 W |
| Northern Pacific Reservoir Dam | Dam | 1230 | Jefferson | 46 33 06 N | 111 54 03 W |
| Northern Pacific Train Bridge | Bridge | 1169 | Broadwater | 46 20 05 N | 111 31 58 W |
| Northern Pines Golf Club | Locale | 919 | Flathead | 48 13 60 N | 114 19 33 W |
| Northern Village Shopping Center | Locale | 1150 | Glacier | 48 37 59 N | 112 19 34 W |
| Northey Gulch | Valley | | Jefferson | 46 13 19 N | 112 32 08 W |
| Northgate Plaza | Locale | 1177 | Lewis and Clark | 46 36 53 N | 112 01 08 W |
| Northgate Plaza | Locale | 968 | Missoula | 46 53 10 N | 114 02 18 W |
| Northgate Shopping Center | Locale | 1456 | Gallatin | 45 41 22 N | 111 02 40 W |
| Northridge Heights | Populated Place | 936 | Flathead | 48 13 05 N | 114 19 58 W |
| Northridge Heights Church of God | Church | 904 | Flathead | 48 13 14 N | 114 18 50 W |
| Northridge Lutheran Church | Church | 932 | Flathead | 48 13 10 N | 114 20 11 W |
| Northridge Park | Park | 941 | Flathead | 48 13 15 N | 114 20 03 W |
| Northside Park | Park | 975 | Missoula | 46 53 08 N | 113 59 56 W |
| Northside School | School | 622 | Roosevelt | 48 05 49 N | 105 38 31 W |
| Northup Creek | Stream | | Sanders | 47 29 29 N | 115 13 32 W |
| Northwest Flathead Community Hall | Building | 963 | Flathead | 48 15 50 N | 114 26 40 W |
| Northwest Fork Thirtymile Creek | Stream | | Blaine | 48 42 40 N | 108 59 12 W |
| Northwest Missionary Baptist Church | Church | 929 | Flathead | 48 12 40 N | 114 22 31 W |
| Northwest Montana Fishery Center | Locale | 902 | Flathead | 48 12 03 N | 114 06 57 W |
| Northwest Park | Park | 1189 | Lewis and Clark | 46 36 45 N | 112 03 08 W |
| Northwest Peak | Summit | 2347 | Lincoln | 48 57 48 N | 115 58 05 W |
| Northwest Peak Scenic Area | Park | 1938 | Lincoln | 48 56 60 N | 115 57 34 W |
| Northwest Sumatra Oil Field | Oilfield | 948 | Rosebud | 46 42 33 N | 107 41 17 W |
| Northwestern Lake | Lake | 951 | Flathead | 48 19 52 N | 114 27 11 W |
| Norton Campground | Locale | 1193 | Granite | 46 35 16 N | 113 40 07 W |
| Norton Creek | Stream | | Custer | 46 25 37 N | 105 08 21 W |
| Norton Creek | Stream | | Silver Bow | 45 59 19 N | 112 48 27 W |
| Norton Junctioon (historical) | Locale | 1531 | Deer Lodge | 46 06 15 N | 112 50 33 W |
| Norve Coulee | Stream | | Stillwater | 45 34 11 N | 109 21 07 W |
| Norvella Post Office (historical) | Post Office | 723 | Garfield | 47 41 50 N | 106 21 52 W |
| Norville Creek | Stream | | Garfield | 47 48 00 N | 106 23 19 W |
| Norwegian Coulee | Valley | | Garfield | 47 17 22 N | 106 20 26 W |
| Norwegian Coulee | Valley | | Valley | 48 31 46 N | 107 01 55 W |
| Norwegian Creek | Stream | | Madison | 45 40 52 N | 111 42 51 W |
| Norwegian Gulch | Valley | | Lewis and Clark | 47 36 25 N | 112 44 42 W |
| Norwegian Gulch | Valley | | Sweet Grass | 45 40 56 N | 109 43 50 W |
| Norwegian Mine | Mine | 1662 | Madison | 45 36 04 N | 111 47 60 W |
| Norwegian Mine | Mine | 1643 | Madison | 45 36 20 N | 111 48 53 W |
| Norwegian Placer Gulch | Valley | | Madison | 45 37 50 N | 111 45 52 W |
| Norwegian Settlement (historical) | Populated Place | 1547 | Sweet Grass | 46 06 30 N | 109 58 33 W |
| Norwegin Creek Dam | Dam | 1626 | Madison | 45 36 60 N | 111 47 51 W |
| Norwich Irving Mine | Mine | 1743 | Silver Bow | 46 01 10 N | 112 34 43 W |
| Norwood Post Office (historical) | Post Office | 2291 | Silver Bow | 45 42 17 N | 112 35 53 W |
| Noseeum Creek | Stream | | Lincoln | 48 33 30 N | 115 51 11 W |
| Not Much Dam | Dam | 794 | Phillips | 48 50 24 N | 107 45 50 W |
| Notch Bottom Fishing Access Site | Locale | 1482 | Madison | 45 26 21 N | 112 33 51 W |
| Notch Creek | Stream | | Ravalli | 45 46 49 N | 114 09 44 W |
| Notch Guard Station | Locale | 2580 | Madison | 44 52 56 N | 112 08 12 W |
| Nothnagel School (historical) | School | 795 | Dawson | 46 59 28 N | 105 07 57 W |
| Notlimah Lake | Lake | 1559 | Missoula | 47 24 35 N | 113 46 47 W |
| Notre Dame Catholic Church | Church | 1411 | Madison | 45 32 46 N | 112 19 50 W |
| Nott School (historical) | School | 749 | Valley | 48 50 41 N | 106 55 20 W |
| Novak Creek | Stream | | Cascade | 47 09 17 N | 111 50 01 W |
| Novak Creek Bridge | Bridge | 1053 | Cascade | 47 09 12 N | 111 50 03 W |
| Novak Homestead | Locale | 842 | Petroleum | 47 32 06 N | 108 10 38 W |
| Novary (historical) | Populated Place | 1153 | Fergus | 47 03 45 N | 109 02 18 W |
| Novary Post Office (historical) | Post Office | 1153 | Fergus | 47 03 45 N | 109 02 18 W |
| Now Care Western Montana Clinic | Hospital | 969 | Missoula | 46 50 49 N | 114 01 30 W |
| Now Care Western Montana Clinic Downtown | Hospital | 975 | Missoula | 46 52 20 N | 113 59 53 W |
| Nowhere Dam | Dam | 1187 | Stillwater | 46 02 24 N | 108 55 51 W |
| Noxon | Populated Place | 666 | Sanders | 47 59 46 N | 115 46 54 W |
| Noxon Bridge | Bridge | 664 | Sanders | 47 59 45 N | 115 45 59 W |
| Noxon Cemetery | Cemetery | 710 | Sanders | 47 59 27 N | 115 46 60 W |
| Noxon Clinic | Hospital | 666 | Sanders | 47 59 46 N | 115 46 54 W |
| Noxon Community Museum | Building | 666 | Sanders | 47 59 46 N | 115 46 54 W |
| Noxon Fire Hall | Building | 666 | Sanders | 47 59 46 N | 115 46 54 W |
| Noxon Methodist Church | Church | 666 | Sanders | 47 59 46 N | 115 46 54 W |
| Noxon Post Office | Post Office | 666 | Sanders | 47 59 46 N | 115 46 54 W |
| Noxon Public Schools | School | 670 | Sanders | 47 59 35 N | 115 46 37 W |
| Noxon Rapids Dam | Dam | 704 | Sanders | 47 57 39 N | 115 44 01 W |
| Noxon Rapids Dam | Dam | 696 | Sanders | 47 57 36 N | 115 44 04 W |
| Noxon Rapids Reservoir | Reservoir | 696 | Sanders | 47 57 36 N | 115 44 04 W |
| Noxon Reservoir | Reservoir | 706 | Sanders | 47 57 45 N | 115 43 58 W |
| Noxon Siding | Locale | 683 | Sanders | 48 01 06 N | 115 49 25 W |
| Noyau Mine | Mine | 1509 | Lewis and Clark | 46 32 31 N | 112 06 06 W |
| Nugget Creek | Stream | | Beaverhead | 45 33 15 N | 113 46 30 W |
| Nugget Creek | Stream | | Madison | 45 29 46 N | 112 11 08 W |
| Nugget Creek | Stream | | Meagher | 46 46 29 N | 110 41 57 W |
| Nugget Creek | Stream | | Missoula | 47 14 04 N | 114 41 38 W |
| Nugget Lake | Lake | 2838 | Stillwater | 45 12 25 N | 109 53 50 W |
| Nugget Mine | Mine | 1301 | Missoula | 47 08 50 N | 114 26 48 W |
| Nuggett Creek Mine | Mine | 1911 | Madison | 45 31 30 N | 112 10 43 W |
| Nuhn Number 2 Dam | Dam | 1084 | Carter | 45 11 30 N | 104 39 26 W |
| Nuhn Number 3 Dam | Dam | 1074 | Carter | 45 11 30 N | 104 36 56 W |
| Nuhn Ranch | Locale | 1091 | Carter | 45 12 18 N | 104 38 27 W |
| Numa Creek | Stream | | Flathead | 48 54 14 N | 114 07 16 W |
| Numa Lake | Lake | 1989 | Flathead | 48 55 10 N | 114 08 29 W |
| Numa Peak | Summit | 2718 | Flathead | 48 54 12 N | 114 09 40 W |
| Numa Ridge | Ridge | 2347 | Flathead | 48 53 22 N | 114 10 32 W |
| Numa Ridge Lookout Trail | Trail | 1495 | Flathead | 48 51 44 N | 114 11 23 W |
| Number 10 Dam | Dam | 1340 | Blaine | 48 13 42 N | 109 07 33 W |
| Number 2 Reservoir Dam | Dam | 758 | Valley | 48 12 30 N | 107 06 38 W |
| Number 3 Mine | Mine | 982 | Musselshell | 46 26 20 N | 108 33 46 W |
| Number 4 Mine | Mine | 995 | Musselshell | 46 26 44 N | 108 29 05 W |
| Number 6 Dam | Dam | 939 | Blaine | 48 21 48 N | 109 08 33 W |
| Number Five Coulee | Valley | | Cascade | 47 22 12 N | 111 09 33 W |
| Number Five Ditch | Canal | 1345 | Powell | 46 50 60 N | 113 01 10 W |
| Number Four Mine | Mine | 1785 | Gallatin | 45 38 43 N | 110 49 23 W |
| Number Four School (historical) | School | 982 | Fergus | 47 39 49 N | 109 14 46 W |
| Number One Mountain | Summit | 1459 | Hill | 48 20 21 N | 109 44 38 W |
| Number Seven | Populated Place | 1054 | Cascade | 47 24 13 N | 111 09 07 W |
| Number Sixteen Gulch | Valley | | Broadwater | 46 36 52 N | 111 30 11 W |
| Number Thirty Mine | Mine | 1955 | Park | 45 37 59 N | 110 47 20 W |